Copper foil chinhu chakaonda kwazvo chemhangura. Inogona kupatsanurwa nemaitiro mumhando mbiri: yakakungurutswa (RA) yemhangura foil uye electrolytic (ED) foil yemhangura. Copper foil ine yakanakisa magetsi uye yekupisa conductivity, uye ine midziyo yekudzivirira magetsi nemagineti masaini. Foil yemhangura inoshandiswa muhuwandu hukuru mukugadzirwa kwemaitiro emagetsi emagetsi. Nekufambira mberi kwekugadzirwa kwemazuva ano, kudiwa kwezvigadzirwa zvemagetsi zvakatetepa, zvakareruka, zvidiki uye zvinotakurika zvakakonzera kuwanda kwekushandiswa kwefoiri yemhangura.
Foil yemhangura yakakungurutswa inonzi RA copper foil. Icho chinhu chemhangura chinogadzirwa nekukunguruka kwemuviri. Nekuda kwemaitiro ayo ekugadzira, RA copper foil ine denderedzwa chimiro mukati. Uye inogona kugadziridzwa kune yakapfava uye yakaoma hasha nekushandisa annealing maitiro. RA copper foil inoshandiswa mukugadzirwa kwezvigadzirwa zvemagetsi zvemhando yepamusoro, kunyanya izvo zvinoda imwe dhigirii yekuchinjika muzvinyorwa.
Electrolytic copper foil inonzi ED copper foil. Iyo isimbi yemhangura foil inogadzirwa nekemikari deposition process. Nekuda kwechimiro chemaitiro ekugadzira, electrolytic copper foil ine columnar chimiro mukati. Maitiro ekugadzira e electrolytic copper foil ari nyore uye anoshandiswa muzvigadzirwa zvinoda huwandu hukuru hwemaitiro akareruka, senge mabhodhi edunhu uye lithium bhatiri negative electrodes.
RA copper foil uye electrolytic copper foil ine zvayakanakira nezvayakaipira mune zvinotevera zvinhu:
RA foil yemhangura yakachena maererano nemhangura yemukati;
RA copper foil ine zvirinani kuita kwese pane electrolytic copper foil maererano nehunhu hwemuviri;
Pane musiyano mudiki pakati pemhando mbiri dzemhangura foil maererano nemakemikari properties;
Panyaya yemutengo, ED copper foil iri nyore kugadzira yakawanda nekuda kwekuita kwayo kuri nyore kugadzira uye haina kudhura pane calendered copper foil.
Kazhinji, RA yemhangura foil inoshandiswa mumatanho ekutanga ekugadzirwa kwechigadzirwa, asi sezvo maitiro ekugadzira anowedzera kukura, ED copper foil ichatora nzvimbo kuitira kuderedza mutengo.
Copper foil ine yakanaka magetsi uye yekupisa conductivity, uye zvakare ine yakanaka yekudzivirira zvimiro zvemagetsi nemagineti masaini. Naizvozvo, inowanzo shandiswa sechisviniro chemagetsi kana chekupisa muzvigadzirwa zvemagetsi nemagetsi, kana sechinhu chinodzivirira kune zvimwe zvinhu zvemagetsi. Nekuda kwekuonekwa uye kwemuviri zvimiro zvemhangura nemhangura alloys, ivo vanoshandiswawo mukushongedza kwekuvaka uye mamwe maindasitiri.
Iyo yakasvibira yemhangura foil imhangura yakachena, asi zvigadzirwa zviri mumatunhu akasiyana nekuda kwemaitiro akasiyana ekugadzira. Foil yemhangura yakakungurutswa kazhinji inogadzirwa kubva kune electrolytic cathode mhangura mapepa anonyungudutswa obva akungurutswa; Electrolytic copper foil inoda kuisa mbishi mu sulfuric acid solution yekunyungudika semhangura-yekugezera, zvobva zvanyanya kuda kushandisa mbishi semhangura yekupfura kana waya yemhangura yekunyungudika zvirinani ne sulfuric acid.
Maoni emhangura anoshanda zvakanyanya mumhepo uye anogona kuita zviri nyore nemaoni eokisijeni ari mumhepo kuumba copper oxide. Isu tinobata pamusoro pefoiri yemhangura nekamuri tembiricha anti-oxidation panguva yekugadzira, asi izvi zvinongononotsa nguva iyo foil yemhangura inoiswa oxidation. Nokudaro, zvinokurudzirwa kushandisa foil yemhangura nokukurumidza sezvinobvira mushure mokusunungura. Uye chengetedza iyo foil yemhangura isingashandiswe munzvimbo yakaoma, isina chiedza-isingabvumirwe kure nemagasi anoputika. Iyo inokurudzirwa tembiricha yekuchengetera foil yemhangura ingangoita 25 degrees Celsius uye mwando haufanire kudarika 70%.
Copper foil haingori chinhu chinoitisa, asiwo inodhura-inoshanda maindasitiri zvinhu zviripo. Foil yemhangura ine zvirinani magetsi uye ekupisa conductivity pane zvakajairwa simbi zvinhu.
Mhangura foil tepi inowanzo fambisa padivi remhangura, uye divi rekunamira rinogonawo kuitwa conductive nekuisa conductive poda mune inonamira. Naizvozvo, iwe unofanirwa kusimbisa kana iwe uchida single-sided conductive copper foil tepi kana kaviri-sided conductive copper foil tepi panguva yekutenga.
Copper foil ine zvishoma pamusoro oxidation inogona kubviswa nedoro sponge. Kana iri nguva yakareba oxidation kana nzvimbo yakakura oxidation, inoda kubviswa nekuchenesa ne sulfuric acid solution.
CIVEN Metal ine tepi yemhangura foil yakanangana negirazi yakasvibiswa iri nyore kushandisa.
Muchirevo, hongu; zvisinei, sezvo kunyungudika kwezvinhu kusingaitwe munzvimbo yevacuum uye vagadziri vakasiyana vanoshandisa tembiricha dzakasiyana uye maitiro ekugadzira, akasanganiswa nemisiyano munzvimbo dzekugadzira, zvinokwanisika kuti zvinhu zvakasiyana-siyana zvisanganiswe mune izvo panguva yekugadzira. Nekuda kweizvozvo, kunyangwe kuumbwa kwezvinhu kwakafanana, panogona kuve nekusiyana kwemavara muzvinhu kubva kune vakasiyana vagadziri.
Dzimwe nguva, kunyange kune yakakwirira-kuchena yemhangura foil zvinhu, ruvara rwepamusoro rwemhangura yemhangura inogadzirwa nevagadziri vakasiyana inogona kusiyana murima. Vamwe vanhu vanotenda kuti mavara matsvuku emhangura akasviba ane kuchena kwepamusoro. Nekudaro, izvi hazvina hazvo kurongeka nekuti, kunze kwemhangura yemukati, kutsetseka kwepamusoro kwefoiri yemhangura kunogona kukonzera kusiyana kwemavara kunoonekwa neziso remunhu. Semuenzaniso, foil yemhangura ine yakakwira kumusoro kutsvedzerera ichave neratidziro iri nani, ichiita kuti ruvara rwepamusoro ruite serwakareruka, uye dzimwe nguva kunyange ruchena. Muchokwadi, ichi chiitiko chakajairika chemhangura foil ine kutsvedzerera kwakanaka, zvichiratidza kuti pamusoro pacho pakatsetseka uye ine yakaderera roughness.
Electrolytic copper foil inogadzirwa uchishandisa kemikari nzira, saka iyo yakapedzwa chigadzirwa chepamusoro haina mafuta. Kusiyana neizvi, foil yemhangura yakapetwa inogadzirwa uchishandisa nzira yekutenderedza yemuviri, uye panguva yekugadzira, mechanical lubricating oil kubva kuma rollers inogona kuramba iri pamusoro uye mukati mechigadzirwa chakapedzwa. Naizvozvo, kunotevera kucheneswa kwepasi uye degreasing maitiro anodiwa kubvisa masara emafuta. Kana izvi zvakasara zvikasabviswa, zvinogona kukanganisa kupikisa kwepeel kwepamusoro pechigadzirwa chakapedzwa. Kunyanya panguva yekupisa kwekushisa kwepamusoro, masara emafuta emukati anogona kukwira kumusoro.
Iyo yakakwirira kutsvedzereka kwepamusoro kwefoiri yemhangura, iyo inokwirisa iyo reflectivity, iyo inogona kuita seyakachena kune ziso rakashama. Kutsetseka kwepamusoro pepamusoro zvakare kunonatsiridza zvishoma zvinhu zvemagetsi uye zvinopisa conductivity. Kana chirongwa chekuputira chichidiwa gare gare, zvinokurudzirwa kusarudza mvura-based coatings zvakanyanya sezvinobvira. Mafuta-based coatings, nekuda kwehukuru hwawo hwepamusoro mamolecular chimiro, anowanzo kupepeta.
Mushure mekuita annealing, kushanduka kwese uye plastiki yemhangura foil zvinhu inovandudzwa, nepo resistivity yayo inoderedzwa, ichiwedzera yayo magetsi conductivity. Nekudaro, iyo annealed material inonyanya kubatwa nekukwenya uye mazino kana yasangana nezvinhu zvakaoma. Pamusoro pezvo, kuzunguzika kushoma panguva yekugadzira uye nzira yekufambisa kunogona kukonzera kuti zvinhu zvikanganiswe uye kuburitsa embossing. Naizvozvo, kutarisirwa kwakawedzerwa kunodiwa panguva inotevera yekugadzirwa uye kugadzirisa.
Nekuda kwekuti zviyero zvepasirese zvazvino hazvina nzira dzekuyedza dzakafanana uye dzakafanana uye zviyero zvezvinhu zvine ukobvu husingasviki 0.2mm, zvakaoma kushandisa tsika dzekuomarara kutsanangura iyo yakapfava kana yakaoma mamiriro efoil yemhangura. Nekuda kwemamiriro ezvinhu aya, makambani ekugadzira foil emhangura anoshandisa simba rekusimba uye kureba kuratidza zvinhu zvakapfava kana kuoma mamiriro, pane kuomarara tsika dzechinyakare.
Annealed Copper Foil (Soft State):
- Lower kuoma uye yakakwirira ductility: Zviri nyore kugadzirisa uye kuumba.
- Zvirinani magetsi conductivity: Iyo annealing process inoderedza miganhu yezviyo uye kukanganisa.
- Hunhu hwakanaka hwepamusoro: Inokodzera se substrate yeakadhindwa edunhu mabhodhi (PCBs).
Semi-Hard Copper Foil:
- Kuoma kwepakati: Iine kumwe kuchengetedza chimiro.
- Inokodzera maapplication anoda imwe simba uye kuomarara: Inoshandiswa mune mamwe marudzi emagetsi ezvikamu.
Yakaoma Copper Foil:
- Kuoma kwepamusoro: Haisi nyore kuremara, inokodzera maapplication anoda chaiwo zviyero.
- Lower ductility: Inoda kutarisirwa kwakawanda panguva yekugadzirisa.
Kusimba kwesimba uye kurebesa kwemhangura foil zviratidzo zviviri zvakakosha zvemuviri zvine hukama uye zvinokanganisa zvakananga kunaka uye kuvimbika kwefoiri yemhangura. Kusimba kwesimba kunoreva kugona kwefoiri yemhangura kuramba kutyoka pasi pesimba rekumanikidza, rinowanzo kuratidzwa mu megapascals (MPa). Elongation inoreva kugona kwechinhu kuita deformation yepurasitiki panguva yekutambanudza, inoratidzwa sechikamu.
Kusimba kwekusimba uye kurebesa kwefoiri yemhangura kunokanganiswa neukobvu uye saizi yezviyo. Kutsanangura iyi saizi mhedzisiro, iyo dimensionless ukobvu-kusvika-zviyo saizi reshiyo (T / D) inofanirwa kuunzwa seyekuenzanisa parameter. Kusimba kwesimba kunosiyana zvakasiyana mukati meakasiyana makubvu-kusvika-zviyo saizi reshiyo, nepo kureba kunodzikira sezvo ukobvu hunodzikira kana ukobvu-kusvika-zviyo saizi inoramba iripo.